| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [pron] had been | 4730 |
|
| 2 | [pron] had been [v-ing] | 3168 |
|
| 3 | [noun] had been [v-ing] | 2088 |
|
| 4 | [noun] [pron] had [v-ing] | 19 |
|
